diff --git a/.github/workflows/firebase-hosting-merge.yml b/.github/workflows/firebase-hosting-merge.yml
index 3dd506aa..18da714d 100644
--- a/.github/workflows/firebase-hosting-merge.yml
+++ b/.github/workflows/firebase-hosting-merge.yml
@@ -11,6 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - run: npm install
       - run: npm run build
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with:
diff --git a/.github/workflows/firebase-hosting-pull-request.yml b/.github/workflows/firebase-hosting-pull-request.yml
index e32cfa3c..284dc398 100644
--- a/.github/workflows/firebase-hosting-pull-request.yml
+++ b/.github/workflows/firebase-hosting-pull-request.yml
@@ -13,6 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - run: npm install
       - run: npm run build
       - uses: FirebaseExtended/action-hosting-deploy@v0
         with: